git.sur5r.net Git - openldap/blob - servers/slapd/overlays/rwmmap.c

   1 /* rwmmap.c - rewrite/mapping routines */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1999-2011 The OpenLDAP Foundation.
   6  * Portions Copyright 1999-2003 Howard Chu.
   7  * Portions Copyright 2000-2003 Pierangelo Masarati.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted only as authorized by the OpenLDAP
  12  * Public License.
  13  *
  14  * A copy of this license is available in the file LICENSE in the
  15  * top-level directory of the distribution or, alternatively, at
  16  * <http://www.OpenLDAP.org/license.html>.
  17  */
  18 /* ACKNOWLEDGEMENTS:
  19  * This work was initially developed by the Howard Chu for inclusion
  20  * in OpenLDAP Software and subsequently enhanced by Pierangelo
  21  * Masarati.
  22  */
  23
  24 #include "portable.h"
  25
  26 #ifdef SLAPD_OVER_RWM
  27
  28 #include <stdio.h>
  29
  30 #include <ac/string.h>
  31 #include <ac/socket.h>
  32
  33 #include "slap.h"
  34 #include "rwm.h"
  35
  36 #undef ldap_debug       /* silence a warning in ldap-int.h */
  37 #include "../../../libraries/libldap/ldap-int.h"
  38
  39 int
  40 rwm_mapping_cmp( const void *c1, const void *c2 )
  41 {
  42         struct ldapmapping *map1 = (struct ldapmapping *)c1;
  43         struct ldapmapping *map2 = (struct ldapmapping *)c2;
  44         int rc = map1->m_src.bv_len - map2->m_src.bv_len;
  45
  46         if ( rc ) {
  47                 return rc;
  48         }
  49
  50         return strcasecmp( map1->m_src.bv_val, map2->m_src.bv_val );
  51 }
  52
  53 int
  54 rwm_mapping_dup( void *c1, void *c2 )
  55 {
  56         struct ldapmapping *map1 = (struct ldapmapping *)c1;
  57         struct ldapmapping *map2 = (struct ldapmapping *)c2;
  58         int rc = map1->m_src.bv_len - map2->m_src.bv_len;
  59
  60         if ( rc ) {
  61                 return 0;
  62         }
  63
  64         return ( ( strcasecmp( map1->m_src.bv_val, map2->m_src.bv_val ) == 0 ) ? -1 : 0 );
  65 }
  66
  67 int
  68 rwm_map_init( struct ldapmap *lm, struct ldapmapping **m )
  69 {
  70         struct ldapmapping      *mapping;
  71         const char              *text;
  72         int                     rc;
  73
  74         assert( m != NULL );
  75
  76         *m = NULL;
  77
  78         mapping = (struct ldapmapping *)ch_calloc( 2,
  79                         sizeof( struct ldapmapping ) );
  80         if ( mapping == NULL ) {
  81                 return LDAP_NO_MEMORY;
  82         }
  83
  84         /* NOTE: this is needed to make sure that
  85          *      rwm-map attribute *
  86          * does not  filter out all attributes including objectClass */
  87         rc = slap_str2ad( "objectClass", &mapping[0].m_src_ad, &text );
  88         if ( rc != LDAP_SUCCESS ) {
  89                 ch_free( mapping );
  90                 return rc;
  91         }
  92
  93         mapping[0].m_dst_ad = mapping[0].m_src_ad;
  94         ber_dupbv( &mapping[0].m_src, &mapping[0].m_src_ad->ad_cname );
  95         ber_dupbv( &mapping[0].m_dst, &mapping[0].m_src );
  96
  97         mapping[1].m_src = mapping[0].m_src;
  98         mapping[1].m_dst = mapping[0].m_dst;
  99         mapping[1].m_src_ad = mapping[0].m_src_ad;
 100         mapping[1].m_dst_ad = mapping[1].m_src_ad;
 101
 102         avl_insert( &lm->map, (caddr_t)&mapping[0],
 103                         rwm_mapping_cmp, rwm_mapping_dup );
 104         avl_insert( &lm->remap, (caddr_t)&mapping[1],
 105                         rwm_mapping_cmp, rwm_mapping_dup );
 106
 107         *m = mapping;
 108
 109         return rc;
 110 }
 111
 112 int
 113 rwm_mapping( struct ldapmap *map, struct berval *s, struct ldapmapping **m, int remap )
 114 {
 115         Avlnode *tree;
 116         struct ldapmapping fmapping;
 117
 118         if ( map == NULL ) {
 119                 return 0;
 120         }
 121
 122         assert( m != NULL );
 123
 124         /* let special attrnames slip through (ITS#5760) */
 125         if ( bvmatch( s, slap_bv_no_attrs )
 126                 || bvmatch( s, slap_bv_all_user_attrs )
 127                 || bvmatch( s, slap_bv_all_operational_attrs ) )
 128         {
 129                 *m = NULL;
 130                 return 0;
 131         }
 132
 133         if ( remap == RWM_REMAP ) {
 134                 tree = map->remap;
 135
 136         } else {
 137                 tree = map->map;
 138         }
 139
 140         fmapping.m_src = *s;
 141         *m = (struct ldapmapping *)avl_find( tree, (caddr_t)&fmapping,
 142                         rwm_mapping_cmp );
 143
 144         if ( *m == NULL ) {
 145                 return map->drop_missing;
 146         }
 147
 148         return 0;
 149 }
 150
 151 void
 152 rwm_map( struct ldapmap *map, struct berval *s, struct berval *bv, int remap )
 153 {
 154         struct ldapmapping *mapping;
 155
 156         /* map->map may be NULL when mapping is configured,
 157          * but map->remap can't */
 158         if ( map->remap == NULL ) {
 159                 *bv = *s;
 160                 return;
 161         }
 162
 163         BER_BVZERO( bv );
 164         ( void )rwm_mapping( map, s, &mapping, remap );
 165         if ( mapping != NULL ) {
 166                 if ( !BER_BVISNULL( &mapping->m_dst ) ) {
 167                         *bv = mapping->m_dst;
 168                 }
 169                 return;
 170         }
 171
 172         if ( !map->drop_missing ) {
 173                 *bv = *s;
 174         }
 175 }
 176
 177 /*
 178  * Map attribute names in place
 179  */
 180 int
 181 rwm_map_attrnames(
 182         Operation       *op,
 183         struct ldapmap  *at_map,
 184         struct ldapmap  *oc_map,
 185         AttributeName   *an,
 186         AttributeName   **anp,
 187         int             remap )
 188 {
 189         int             i, j;
 190
 191         assert( anp != NULL );
 192
 193         *anp = NULL;
 194
 195         if ( an == NULL ) {
 196                 return LDAP_SUCCESS;
 197         }
 198
 199         for ( i = 0; !BER_BVISNULL( &an[i].an_name ); i++ )
 200                 /* just count */ ;
 201         *anp = op->o_tmpalloc( ( i + 1 )* sizeof( AttributeName ),
 202                 op->o_tmpmemctx );
 203         if ( *anp == NULL ) {
 204                 return LDAP_NO_MEMORY;
 205         }
 206
 207         for ( i = 0, j = 0; !BER_BVISNULL( &an[i].an_name ); i++ ) {
 208                 struct ldapmapping      *m;
 209                 int                     at_drop_missing = 0,
 210                                         oc_drop_missing = 0;
 211
 212                 if ( an[i].an_desc ) {
 213                         if ( !at_map ) {
 214                                 /* FIXME: better leave as is? */
 215                                 continue;
 216                         }
 217
 218                         at_drop_missing = rwm_mapping( at_map, &an[i].an_name, &m, remap );
 219                         if ( at_drop_missing || ( m && BER_BVISNULL( &m->m_dst ) ) ) {
 220                                 continue;
 221                         }
 222
 223                         if ( !m ) {
 224                                 (*anp)[j] = an[i];
 225                                 j++;
 226                                 continue;
 227                         }
 228
 229                         (*anp)[j] = an[i];
 230                         if ( remap == RWM_MAP ) {
 231                                 (*anp)[j].an_name = m->m_dst;
 232                                 (*anp)[j].an_desc = m->m_dst_ad;
 233                         } else {
 234                                 (*anp)[j].an_name = m->m_src;
 235                                 (*anp)[j].an_desc = m->m_src_ad;
 236
 237                         }
 238
 239                         j++;
 240                         continue;
 241
 242                 } else if ( an[i].an_oc ) {
 243                         if ( !oc_map ) {
 244                                 /* FIXME: better leave as is? */
 245                                 continue;
 246                         }
 247
 248                         oc_drop_missing = rwm_mapping( oc_map, &an[i].an_name, &m, remap );
 249
 250                         if ( oc_drop_missing || ( m && BER_BVISNULL( &m->m_dst ) ) ) {
 251                                 continue;
 252                         }
 253
 254                         if ( !m ) {
 255                                 (*anp)[j] = an[i];
 256                                 j++;
 257                                 continue;
 258                         }
 259
 260                         (*anp)[j] = an[i];
 261                         if ( remap == RWM_MAP ) {
 262                                 (*anp)[j].an_name = m->m_dst;
 263                                 (*anp)[j].an_oc = m->m_dst_oc;
 264                         } else {
 265                                 (*anp)[j].an_name = m->m_src;
 266                                 (*anp)[j].an_oc = m->m_src_oc;
 267                         }
 268
 269                 } else {
 270                         at_drop_missing = rwm_mapping( at_map, &an[i].an_name, &m, remap );
 271
 272                         if ( at_drop_missing || !m ) {
 273                                 oc_drop_missing = rwm_mapping( oc_map, &an[i].an_name, &m, remap );
 274
 275                                 /* if both at_map and oc_map required to drop missing,
 276                                  * then do it */
 277                                 if ( oc_drop_missing && at_drop_missing ) {
 278                                         continue;
 279                                 }
 280
 281                                 /* if no oc_map mapping was found and at_map required
 282                                  * to drop missing, then do it; otherwise, at_map wins
 283                                  * and an is considered an attr and is left unchanged */
 284                                 if ( !m ) {
 285                                         if ( at_drop_missing ) {
 286                                                 continue;
 287                                         }
 288                                         (*anp)[j] = an[i];
 289                                         j++;
 290                                         continue;
 291                                 }
 292
 293                                 if ( BER_BVISNULL( &m->m_dst ) ) {
 294                                         continue;
 295                                 }
 296
 297                                 (*anp)[j] = an[i];
 298                                 if ( remap == RWM_MAP ) {
 299                                         (*anp)[j].an_name = m->m_dst;
 300                                         (*anp)[j].an_oc = m->m_dst_oc;
 301                                 } else {
 302                                         (*anp)[j].an_name = m->m_src;
 303                                         (*anp)[j].an_oc = m->m_src_oc;
 304                                 }
 305                                 j++;
 306                                 continue;
 307                         }
 308
 309                         if ( !BER_BVISNULL( &m->m_dst ) ) {
 310                                 (*anp)[j] = an[i];
 311                                 if ( remap == RWM_MAP ) {
 312                                         (*anp)[j].an_name = m->m_dst;
 313                                         (*anp)[j].an_desc = m->m_dst_ad;
 314                                 } else {
 315                                         (*anp)[j].an_name = m->m_src;
 316                                         (*anp)[j].an_desc = m->m_src_ad;
 317                                 }
 318                                 j++;
 319                                 continue;
 320                         }
 321                 }
 322         }
 323
 324         if ( j == 0 && i != 0 ) {
 325                 memset( &(*anp)[0], 0, sizeof( AttributeName ) );
 326                 (*anp)[0].an_name = *slap_bv_no_attrs;
 327                 j = 1;
 328         }
 329         memset( &(*anp)[j], 0, sizeof( AttributeName ) );
 330
 331         return LDAP_SUCCESS;
 332 }
 333
 334 #if 0 /* unused! */
 335 int
 336 rwm_map_attrs(
 337         struct ldapmap  *at_map,
 338         AttributeName   *an,
 339         int             remap,
 340         char            ***mapped_attrs )
 341 {
 342         int i, j;
 343         char **na;
 344
 345         if ( an == NULL ) {
 346                 *mapped_attrs = NULL;
 347                 return LDAP_SUCCESS;
 348         }
 349
 350         for ( i = 0; !BER_BVISNULL( &an[ i ].an_name ); i++ )
 351                 /* count'em */ ;
 352
 353         na = (char **)ch_calloc( i + 1, sizeof( char * ) );
 354         if ( na == NULL ) {
 355                 *mapped_attrs = NULL;
 356                 return LDAP_NO_MEMORY;
 357         }
 358
 359         for ( i = j = 0; !BER_BVISNULL( &an[i].an_name ); i++ ) {
 360                 struct ldapmapping      *mapping;
 361
 362                 if ( rwm_mapping( at_map, &an[i].an_name, &mapping, remap ) ) {
 363                         continue;
 364                 }
 365
 366                 if ( !mapping ) {
 367                         na[ j++ ] = an[ i ].an_name.bv_val;
 368
 369                 } else if ( !BER_BVISNULL( &mapping->m_dst ) ) {
 370                         na[ j++ ] = mapping->m_dst.bv_val;
 371                 }
 372         }
 373
 374         if ( j == 0 && i != 0 ) {
 375                 na[ j++ ] = LDAP_NO_ATTRS;
 376         }
 377
 378         na[ j ] = NULL;
 379
 380         *mapped_attrs = na;
 381
 382         return LDAP_SUCCESS;
 383 }
 384 #endif
 385
 386 static int
 387 map_attr_value(
 388         dncookie                *dc,
 389         AttributeDescription    **adp,
 390         struct berval           *mapped_attr,
 391         struct berval           *value,
 392         struct berval           *mapped_value,
 393         int                     remap,
 394         void                    *memctx )
 395 {
 396         struct berval           vtmp = BER_BVNULL;
 397         int                     freeval = 0;
 398         AttributeDescription    *ad = *adp;
 399         struct ldapmapping      *mapping = NULL;
 400
 401         rwm_mapping( &dc->rwmap->rwm_at, &ad->ad_cname, &mapping, remap );
 402         if ( mapping == NULL ) {
 403                 if ( dc->rwmap->rwm_at.drop_missing ) {
 404                         return -1;
 405                 }
 406
 407                 *mapped_attr = ad->ad_cname;
 408
 409         } else {
 410                 *mapped_attr = mapping->m_dst;
 411         }
 412
 413         if ( value != NULL ) {
 414                 assert( mapped_value != NULL );
 415
 416                 if ( ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
 417                                 || ( mapping != NULL && mapping->m_dst_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
 418                 {
 419                         dncookie        fdc = *dc;
 420                         int             rc;
 421
 422                         fdc.ctx = "searchFilterAttrDN";
 423
 424                         vtmp = *value;
 425                         rc = rwm_dn_massage_normalize( &fdc, value, &vtmp );
 426                         switch ( rc ) {
 427                         case LDAP_SUCCESS:
 428                                 if ( vtmp.bv_val != value->bv_val ) {
 429                                         freeval = 1;
 430                                 }
 431                                 break;
 432
 433                         case LDAP_UNWILLING_TO_PERFORM:
 434                         case LDAP_OTHER:
 435                         default:
 436                                 return -1;
 437                         }
 438
 439                 } else if ( ad->ad_type->sat_equality->smr_usage & SLAP_MR_MUTATION_NORMALIZER ) {
 440                         if ( ad->ad_type->sat_equality->smr_normalize(
 441                                 (SLAP_MR_DENORMALIZE|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX),
 442                                 NULL, NULL, value, &vtmp, memctx ) )
 443                         {
 444                                 return -1;
 445                         }
 446                         freeval = 2;
 447
 448                 } else if ( ad == slap_schema.si_ad_objectClass
 449                                 || ad == slap_schema.si_ad_structuralObjectClass )
 450                 {
 451                         rwm_map( &dc->rwmap->rwm_oc, value, &vtmp, remap );
 452                         if ( BER_BVISNULL( &vtmp ) || BER_BVISEMPTY( &vtmp ) ) {
 453                                 vtmp = *value;
 454                         }
 455
 456                 } else {
 457                         vtmp = *value;
 458                 }
 459
 460                 filter_escape_value_x( &vtmp, mapped_value, memctx );
 461
 462                 switch ( freeval ) {
 463                 case 1:
 464                         ch_free( vtmp.bv_val );
 465                         break;
 466
 467                 case 2:
 468                         ber_memfree_x( vtmp.bv_val, memctx );
 469                         break;
 470                 }
 471         }
 472
 473         if ( mapping != NULL ) {
 474                 assert( mapping->m_dst_ad != NULL );
 475                 *adp = mapping->m_dst_ad;
 476         }
 477
 478         return 0;
 479 }
 480
 481 static int
 482 rwm_int_filter_map_rewrite(
 483         Operation               *op,
 484         dncookie                *dc,
 485         Filter                  *f,
 486         struct berval           *fstr )
 487 {
 488         int             i;
 489         Filter          *p;
 490         AttributeDescription *ad;
 491         struct berval   atmp,
 492                         vtmp,
 493                         *tmp;
 494         static struct berval
 495                         /* better than nothing... */
 496                         ber_bvfalse = BER_BVC( "(!(objectClass=*))" ),
 497                         ber_bvtf_false = BER_BVC( "(|)" ),
 498                         /* better than nothing... */
 499                         ber_bvtrue = BER_BVC( "(objectClass=*)" ),
 500                         ber_bvtf_true = BER_BVC( "(&)" ),
 501 #if 0
 502                         /* no longer needed; preserved for completeness */
 503                         ber_bvundefined = BER_BVC( "(?=undefined)" ),
 504 #endif
 505                         ber_bverror = BER_BVC( "(?=error)" ),
 506                         ber_bvunknown = BER_BVC( "(?=unknown)" ),
 507                         ber_bvnone = BER_BVC( "(?=none)" );
 508         ber_len_t       len;
 509
 510         assert( fstr != NULL );
 511         BER_BVZERO( fstr );
 512
 513         if ( f == NULL ) {
 514                 ber_dupbv_x( fstr, &ber_bvnone, op->o_tmpmemctx );
 515                 return LDAP_OTHER;
 516         }
 517
 518 #if 0
 519         /* ITS#6814: give the caller a chance to use undefined filters */
 520         if ( f->f_choice & SLAPD_FILTER_UNDEFINED ) {
 521                 goto computed;
 522         }
 523 #endif
 524
 525         switch ( f->f_choice & SLAPD_FILTER_MASK ) {
 526         case LDAP_FILTER_EQUALITY:
 527                 ad = f->f_av_desc;
 528                 if ( map_attr_value( dc, &ad, &atmp,
 529                         &f->f_av_value, &vtmp, RWM_MAP, op->o_tmpmemctx ) )
 530                 {
 531                         goto computed;
 532                 }
 533
 534                 fstr->bv_len = atmp.bv_len + vtmp.bv_len + STRLENOF( "(=)" );
 535                 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
 536
 537                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=%s)",
 538                         atmp.bv_val, vtmp.bv_len ? vtmp.bv_val : "" );
 539
 540                 op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
 541                 break;
 542
 543         case LDAP_FILTER_GE:
 544                 ad = f->f_av_desc;
 545                 if ( map_attr_value( dc, &ad, &atmp,
 546                         &f->f_av_value, &vtmp, RWM_MAP, op->o_tmpmemctx ) )
 547                 {
 548                         goto computed;
 549                 }
 550
 551                 fstr->bv_len = atmp.bv_len + vtmp.bv_len + STRLENOF( "(>=)" );
 552                 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
 553
 554                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s>=%s)",
 555                         atmp.bv_val, vtmp.bv_len ? vtmp.bv_val : "" );
 556
 557                 op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
 558                 break;
 559
 560         case LDAP_FILTER_LE:
 561                 ad = f->f_av_desc;
 562                 if ( map_attr_value( dc, &ad, &atmp,
 563                         &f->f_av_value, &vtmp, RWM_MAP, op->o_tmpmemctx ) )
 564                 {
 565                         goto computed;
 566                 }
 567
 568                 fstr->bv_len = atmp.bv_len + vtmp.bv_len + STRLENOF( "(<=)" );
 569                 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
 570
 571                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s<=%s)",
 572                         atmp.bv_val, vtmp.bv_len ? vtmp.bv_val : "" );
 573
 574                 op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
 575                 break;
 576
 577         case LDAP_FILTER_APPROX:
 578                 ad = f->f_av_desc;
 579                 if ( map_attr_value( dc, &ad, &atmp,
 580                         &f->f_av_value, &vtmp, RWM_MAP, op->o_tmpmemctx ) )
 581                 {
 582                         goto computed;
 583                 }
 584
 585                 fstr->bv_len = atmp.bv_len + vtmp.bv_len + STRLENOF( "(~=)" );
 586                 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
 587
 588                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s~=%s)",
 589                         atmp.bv_val, vtmp.bv_len ? vtmp.bv_val : "" );
 590
 591                 op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
 592                 break;
 593
 594         case LDAP_FILTER_SUBSTRINGS:
 595                 ad = f->f_sub_desc;
 596                 if ( map_attr_value( dc, &ad, &atmp,
 597                         NULL, NULL, RWM_MAP, op->o_tmpmemctx ) )
 598                 {
 599                         goto computed;
 600                 }
 601
 602                 /* cannot be a DN ... */
 603
 604                 fstr->bv_len = atmp.bv_len + STRLENOF( "(=*)" );
 605                 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
 606
 607                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
 608                         atmp.bv_val );
 609
 610                 if ( !BER_BVISNULL( &f->f_sub_initial ) ) {
 611                         len = fstr->bv_len;
 612
 613                         filter_escape_value_x( &f->f_sub_initial, &vtmp, op->o_tmpmemctx );
 614
 615                         fstr->bv_len += vtmp.bv_len;
 616                         fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
 617                                 op->o_tmpmemctx );
 618
 619                         snprintf( &fstr->bv_val[len - 2], vtmp.bv_len + 3,
 620                                 /* "(attr=" */ "%s*)",
 621                                 vtmp.bv_len ? vtmp.bv_val : "" );
 622
 623                         op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
 624                 }
 625
 626                 if ( f->f_sub_any != NULL ) {
 627                         for ( i = 0; !BER_BVISNULL( &f->f_sub_any[i] ); i++ ) {
 628                                 len = fstr->bv_len;
 629                                 filter_escape_value_x( &f->f_sub_any[i], &vtmp,
 630                                         op->o_tmpmemctx );
 631
 632                                 fstr->bv_len += vtmp.bv_len + 1;
 633                                 fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
 634                                         op->o_tmpmemctx );
 635
 636                                 snprintf( &fstr->bv_val[len - 1], vtmp.bv_len + 3,
 637                                         /* "(attr=[init]*[any*]" */ "%s*)",
 638                                         vtmp.bv_len ? vtmp.bv_val : "" );
 639                                 op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
 640                         }
 641                 }
 642
 643                 if ( !BER_BVISNULL( &f->f_sub_final ) ) {
 644                         len = fstr->bv_len;
 645
 646                         filter_escape_value_x( &f->f_sub_final, &vtmp, op->o_tmpmemctx );
 647
 648                         fstr->bv_len += vtmp.bv_len;
 649                         fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
 650                                 op->o_tmpmemctx );
 651
 652                         snprintf( &fstr->bv_val[len - 1], vtmp.bv_len + 3,
 653                                 /* "(attr=[init*][any*]" */ "%s)",
 654                                 vtmp.bv_len ? vtmp.bv_val : "" );
 655
 656                         op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
 657                 }
 658
 659                 break;
 660
 661         case LDAP_FILTER_PRESENT:
 662                 ad = f->f_desc;
 663                 if ( map_attr_value( dc, &ad, &atmp,
 664                         NULL, NULL, RWM_MAP, op->o_tmpmemctx ) )
 665                 {
 666                         goto computed;
 667                 }
 668
 669                 fstr->bv_len = atmp.bv_len + STRLENOF( "(=*)" );
 670                 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
 671
 672                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s=*)",
 673                         atmp.bv_val );
 674                 break;
 675
 676         case LDAP_FILTER_AND:
 677         case LDAP_FILTER_OR:
 678         case LDAP_FILTER_NOT:
 679                 fstr->bv_len = STRLENOF( "(%)" );
 680                 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 128, op->o_tmpmemctx );
 681
 682                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%c)",
 683                         f->f_choice == LDAP_FILTER_AND ? '&' :
 684                         f->f_choice == LDAP_FILTER_OR ? '|' : '!' );
 685
 686                 for ( p = f->f_list; p != NULL; p = p->f_next ) {
 687                         int     rc;
 688
 689                         len = fstr->bv_len;
 690
 691                         rc = rwm_int_filter_map_rewrite( op, dc, p, &vtmp );
 692                         if ( rc != LDAP_SUCCESS ) {
 693                                 return rc;
 694                         }
 695
 696                         fstr->bv_len += vtmp.bv_len;
 697                         fstr->bv_val = op->o_tmprealloc( fstr->bv_val, fstr->bv_len + 1,
 698                                 op->o_tmpmemctx );
 699
 700                         snprintf( &fstr->bv_val[len-1], vtmp.bv_len + 2,
 701                                 /*"("*/ "%s)", vtmp.bv_len ? vtmp.bv_val : "" );
 702
 703                         op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
 704                 }
 705
 706                 break;
 707
 708         case LDAP_FILTER_EXT: {
 709                 if ( f->f_mr_desc ) {
 710                         ad = f->f_mr_desc;
 711                         if ( map_attr_value( dc, &ad, &atmp,
 712                                 &f->f_mr_value, &vtmp, RWM_MAP, op->o_tmpmemctx ) )
 713                         {
 714                                 goto computed;
 715                         }
 716
 717                 } else {
 718                         BER_BVSTR( &atmp, "" );
 719                         filter_escape_value_x( &f->f_mr_value, &vtmp, op->o_tmpmemctx );
 720                 }
 721
 722
 723                 fstr->bv_len = atmp.bv_len +
 724                         ( f->f_mr_dnattrs ? STRLENOF( ":dn" ) : 0 ) +
 725                         ( f->f_mr_rule_text.bv_len ? f->f_mr_rule_text.bv_len + 1 : 0 ) +
 726                         vtmp.bv_len + STRLENOF( "(:=)" );
 727                 fstr->bv_val = op->o_tmpalloc( fstr->bv_len + 1, op->o_tmpmemctx );
 728
 729                 snprintf( fstr->bv_val, fstr->bv_len + 1, "(%s%s%s%s:=%s)",
 730                         atmp.bv_val,
 731                         f->f_mr_dnattrs ? ":dn" : "",
 732                         !BER_BVISEMPTY( &f->f_mr_rule_text ) ? ":" : "",
 733                         !BER_BVISEMPTY( &f->f_mr_rule_text ) ? f->f_mr_rule_text.bv_val : "",
 734                         vtmp.bv_len ? vtmp.bv_val : "" );
 735                 op->o_tmpfree( vtmp.bv_val, op->o_tmpmemctx );
 736                 break;
 737         }
 738
 739         case -1:
 740 computed:;
 741                 filter_free_x( op, f, 0 );
 742                 f->f_choice = SLAPD_FILTER_COMPUTED;
 743                 f->f_result = SLAPD_COMPARE_UNDEFINED;
 744                 /* fallthru */
 745
 746         case SLAPD_FILTER_COMPUTED:
 747                 switch ( f->f_result ) {
 748                 case LDAP_COMPARE_FALSE:
 749                 /* FIXME: treat UNDEFINED as FALSE */
 750                 case SLAPD_COMPARE_UNDEFINED:
 751                         if ( dc->rwmap->rwm_flags & RWM_F_SUPPORT_T_F ) {
 752                                 tmp = &ber_bvtf_false;
 753                                 break;
 754                         }
 755                         tmp = &ber_bvfalse;
 756                         break;
 757
 758                 case LDAP_COMPARE_TRUE:
 759                         if ( dc->rwmap->rwm_flags & RWM_F_SUPPORT_T_F ) {
 760                                 tmp = &ber_bvtf_true;
 761                                 break;
 762                         }
 763                         tmp = &ber_bvtrue;
 764                         break;
 765
 766                 default:
 767                         tmp = &ber_bverror;
 768                         break;
 769                 }
 770
 771                 ber_dupbv_x( fstr, tmp, op->o_tmpmemctx );
 772                 break;
 773
 774         default:
 775                 ber_dupbv_x( fstr, &ber_bvunknown, op->o_tmpmemctx );
 776                 break;
 777         }
 778
 779         return LDAP_SUCCESS;
 780 }
 781
 782 int
 783 rwm_filter_map_rewrite(
 784         Operation               *op,
 785         dncookie                *dc,
 786         Filter                  *f,
 787         struct berval           *fstr )
 788 {
 789         int             rc;
 790         dncookie        fdc;
 791         struct berval   ftmp;
 792
 793         rc = rwm_int_filter_map_rewrite( op, dc, f, fstr );
 794
 795         if ( rc != 0 ) {
 796                 return rc;
 797         }
 798
 799         fdc = *dc;
 800         ftmp = *fstr;
 801
 802         fdc.ctx = "searchFilter";
 803
 804         switch ( rewrite_session( fdc.rwmap->rwm_rw, fdc.ctx,
 805                                 ( !BER_BVISEMPTY( &ftmp ) ? ftmp.bv_val : "" ),
 806                                 fdc.conn, &fstr->bv_val ) )
 807         {
 808         case REWRITE_REGEXEC_OK:
 809                 if ( !BER_BVISNULL( fstr ) ) {
 810                         fstr->bv_len = strlen( fstr->bv_val );
 811
 812                 } else {
 813                         *fstr = ftmp;
 814                 }
 815
 816                 Debug( LDAP_DEBUG_ARGS,
 817                         "[rw] %s: \"%s\" -> \"%s\"\n",
 818                         fdc.ctx, ftmp.bv_val, fstr->bv_val );
 819                 if ( fstr->bv_val != ftmp.bv_val ) {
 820                         ber_bvreplace_x( &ftmp, fstr, op->o_tmpmemctx );
 821                         ch_free( fstr->bv_val );
 822                         *fstr = ftmp;
 823                 }
 824                 rc = LDAP_SUCCESS;
 825                 break;
 826
 827         case REWRITE_REGEXEC_UNWILLING:
 828                 if ( fdc.rs ) {
 829                         fdc.rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 830                         fdc.rs->sr_text = "Operation not allowed";
 831                 }
 832                 op->o_tmpfree( ftmp.bv_val, op->o_tmpmemctx );
 833                 rc = LDAP_UNWILLING_TO_PERFORM;
 834                 break;
 835
 836         case REWRITE_REGEXEC_ERR:
 837                 if ( fdc.rs ) {
 838                         fdc.rs->sr_err = LDAP_OTHER;
 839                         fdc.rs->sr_text = "Rewrite error";
 840                 }
 841                 op->o_tmpfree( ftmp.bv_val, op->o_tmpmemctx );
 842                 rc = LDAP_OTHER;
 843                 break;
 844         }
 845
 846         return rc;
 847 }
 848
 849 /*
 850  * I don't like this much, but we need two different
 851  * functions because different heap managers may be
 852  * in use in back-ldap/meta to reduce the amount of
 853  * calls to malloc routines, and some of the free()
 854  * routines may be macros with args
 855  */
 856 int
 857 rwm_referral_rewrite(
 858         Operation               *op,
 859         SlapReply               *rs,
 860         void                    *cookie,
 861         BerVarray               a_vals,
 862         BerVarray               *pa_nvals )
 863 {
 864         slap_overinst           *on = (slap_overinst *) op->o_bd->bd_info;
 865         struct ldaprwmap        *rwmap =
 866                         (struct ldaprwmap *)on->on_bi.bi_private;
 867
 868         int                     i, last;
 869
 870         dncookie                dc;
 871         struct berval           dn = BER_BVNULL,
 872                                 ndn = BER_BVNULL;
 873
 874         assert( a_vals != NULL );
 875
 876         /*
 877          * Rewrite the dn if needed
 878          */
 879         dc.rwmap = rwmap;
 880         dc.conn = op->o_conn;
 881         dc.rs = rs;
 882         dc.ctx = (char *)cookie;
 883
 884         for ( last = 0; !BER_BVISNULL( &a_vals[last] ); last++ )
 885                 ;
 886         last--;
 887
 888         if ( pa_nvals != NULL ) {
 889                 if ( *pa_nvals == NULL ) {
 890                         *pa_nvals = ch_malloc( ( last + 2 ) * sizeof(struct berval) );
 891                         memset( *pa_nvals, 0, ( last + 2 ) * sizeof(struct berval) );
 892                 }
 893         }
 894
 895         for ( i = 0; !BER_BVISNULL( &a_vals[i] ); i++ ) {
 896                 struct berval   olddn = BER_BVNULL,
 897                                 oldval;
 898                 int             rc;
 899                 LDAPURLDesc     *ludp;
 900
 901                 oldval = a_vals[i];
 902                 rc = ldap_url_parse( oldval.bv_val, &ludp );
 903                 if ( rc != LDAP_URL_SUCCESS ) {
 904                         /* leave attr untouched if massage failed */
 905                         if ( pa_nvals && BER_BVISNULL( &(*pa_nvals)[i] ) ) {
 906                                 ber_dupbv( &(*pa_nvals)[i], &oldval );
 907                         }
 908                         continue;
 909                 }
 910
 911                 /* FIXME: URLs like "ldap:///dc=suffix" if passed
 912                  * thru ldap_url_parse() and ldap_url_desc2str()
 913                  * get rewritten as "ldap:///dc=suffix??base";
 914                  * we don't want this to occur... */
 915                 if ( ludp->lud_scope == LDAP_SCOPE_BASE ) {
 916                         ludp->lud_scope = LDAP_SCOPE_DEFAULT;
 917                 }
 918
 919                 ber_str2bv( ludp->lud_dn, 0, 0, &olddn );
 920
 921                 dn = olddn;
 922                 if ( pa_nvals ) {
 923                         ndn = olddn;
 924                         rc = rwm_dn_massage_pretty_normalize( &dc, &olddn,
 925                                         &dn, &ndn );
 926                 } else {
 927                         rc = rwm_dn_massage_pretty( &dc, &olddn, &dn );
 928                 }
 929
 930                 switch ( rc ) {
 931                 case LDAP_UNWILLING_TO_PERFORM:
 932                         /*
 933                          * FIXME: need to check if it may be considered
 934                          * legal to trim values when adding/modifying;
 935                          * it should be when searching (e.g. ACLs).
 936                          */
 937                         ch_free( a_vals[i].bv_val );
 938                         if (last > i ) {
 939                                 a_vals[i] = a_vals[last];
 940                                 if ( pa_nvals ) {
 941                                         (*pa_nvals)[i] = (*pa_nvals)[last];
 942                                 }
 943                         }
 944                         BER_BVZERO( &a_vals[last] );
 945                         if ( pa_nvals ) {
 946                                 BER_BVZERO( &(*pa_nvals)[last] );
 947                         }
 948                         last--;
 949                         break;
 950
 951                 case LDAP_SUCCESS:
 952                         if ( !BER_BVISNULL( &dn ) && dn.bv_val != olddn.bv_val ) {
 953                                 char    *newurl;
 954
 955                                 ludp->lud_dn = dn.bv_val;
 956                                 newurl = ldap_url_desc2str( ludp );
 957                                 ludp->lud_dn = olddn.bv_val;
 958                                 ch_free( dn.bv_val );
 959                                 if ( newurl == NULL ) {
 960                                         /* FIXME: leave attr untouched
 961                                          * even if ldap_url_desc2str failed...
 962                                          */
 963                                         break;
 964                                 }
 965
 966                                 ber_str2bv( newurl, 0, 1, &a_vals[i] );
 967                                 ber_memfree( newurl );
 968
 969                                 if ( pa_nvals ) {
 970                                         ludp->lud_dn = ndn.bv_val;
 971                                         newurl = ldap_url_desc2str( ludp );
 972                                         ludp->lud_dn = olddn.bv_val;
 973                                         ch_free( ndn.bv_val );
 974                                         if ( newurl == NULL ) {
 975                                                 /* FIXME: leave attr untouched
 976                                                  * even if ldap_url_desc2str failed...
 977                                                  */
 978                                                 ch_free( a_vals[i].bv_val );
 979                                                 a_vals[i] = oldval;
 980                                                 break;
 981                                         }
 982
 983                                         if ( !BER_BVISNULL( &(*pa_nvals)[i] ) ) {
 984                                                 ch_free( (*pa_nvals)[i].bv_val );
 985                                         }
 986                                         ber_str2bv( newurl, 0, 1, &(*pa_nvals)[i] );
 987                                         ber_memfree( newurl );
 988                                 }
 989
 990                                 ch_free( oldval.bv_val );
 991                                 ludp->lud_dn = olddn.bv_val;
 992                         }
 993                         break;
 994
 995                 default:
 996                         /* leave attr untouched if massage failed */
 997                         if ( pa_nvals && BER_BVISNULL( &(*pa_nvals)[i] ) ) {
 998                                 ber_dupbv( &(*pa_nvals)[i], &a_vals[i] );
 999                         }
1000                         break;
1001                 }
1002                 ldap_free_urldesc( ludp );
1003         }
1004
1005         return 0;
1006 }
1007
1008 /*
1009  * I don't like this much, but we need two different
1010  * functions because different heap managers may be
1011  * in use in back-ldap/meta to reduce the amount of
1012  * calls to malloc routines, and some of the free()
1013  * routines may be macros with args
1014  */
1015 int
1016 rwm_dnattr_rewrite(
1017         Operation               *op,
1018         SlapReply               *rs,
1019         void                    *cookie,
1020         BerVarray               a_vals,
1021         BerVarray               *pa_nvals )
1022 {
1023         slap_overinst           *on = (slap_overinst *) op->o_bd->bd_info;
1024         struct ldaprwmap        *rwmap =
1025                         (struct ldaprwmap *)on->on_bi.bi_private;
1026
1027         int                     i, last;
1028
1029         dncookie                dc;
1030         struct berval           dn = BER_BVNULL,
1031                                 ndn = BER_BVNULL;
1032         BerVarray               in;
1033
1034         if ( a_vals ) {
1035                 in = a_vals;
1036
1037         } else {
1038                 if ( pa_nvals == NULL || *pa_nvals == NULL ) {
1039                         return LDAP_OTHER;
1040                 }
1041                 in = *pa_nvals;
1042         }
1043
1044         /*
1045          * Rewrite the dn if needed
1046          */
1047         dc.rwmap = rwmap;
1048         dc.conn = op->o_conn;
1049         dc.rs = rs;
1050         dc.ctx = (char *)cookie;
1051
1052         for ( last = 0; !BER_BVISNULL( &in[last] ); last++ );
1053         last--;
1054         if ( pa_nvals != NULL ) {
1055                 if ( *pa_nvals == NULL ) {
1056                         *pa_nvals = ch_malloc( ( last + 2 ) * sizeof(struct berval) );
1057                         memset( *pa_nvals, 0, ( last + 2 ) * sizeof(struct berval) );
1058                 }
1059         }
1060
1061         for ( i = 0; !BER_BVISNULL( &in[i] ); i++ ) {
1062                 int             rc;
1063
1064                 if ( a_vals ) {
1065                         dn = in[i];
1066                         if ( pa_nvals ) {
1067                                 ndn = (*pa_nvals)[i];
1068                                 rc = rwm_dn_massage_pretty_normalize( &dc, &in[i], &dn, &ndn );
1069                         } else {
1070                                 rc = rwm_dn_massage_pretty( &dc, &in[i], &dn );
1071                         }
1072                 } else {
1073                         ndn = in[i];
1074                         rc = rwm_dn_massage_normalize( &dc, &in[i], &ndn );
1075                 }
1076
1077                 switch ( rc ) {
1078                 case LDAP_UNWILLING_TO_PERFORM:
1079                         /*
1080                          * FIXME: need to check if it may be considered
1081                          * legal to trim values when adding/modifying;
1082                          * it should be when searching (e.g. ACLs).
1083                          */
1084                         ch_free( in[i].bv_val );
1085                         if (last > i ) {
1086                                 in[i] = in[last];
1087                                 if ( a_vals && pa_nvals ) {
1088                                         (*pa_nvals)[i] = (*pa_nvals)[last];
1089                                 }
1090                         }
1091                         BER_BVZERO( &in[last] );
1092                         if ( a_vals && pa_nvals ) {
1093                                 BER_BVZERO( &(*pa_nvals)[last] );
1094                         }
1095                         last--;
1096                         break;
1097
1098                 case LDAP_SUCCESS:
1099                         if ( a_vals ) {
1100                                 if ( !BER_BVISNULL( &dn ) && dn.bv_val != a_vals[i].bv_val ) {
1101                                         ch_free( a_vals[i].bv_val );
1102                                         a_vals[i] = dn;
1103
1104                                         if ( pa_nvals ) {
1105                                                 if ( !BER_BVISNULL( &(*pa_nvals)[i] ) ) {
1106                                                         ch_free( (*pa_nvals)[i].bv_val );
1107                                                 }
1108                                                 (*pa_nvals)[i] = ndn;
1109                                         }
1110                                 }
1111
1112                         } else {
1113                                 if ( !BER_BVISNULL( &ndn ) && ndn.bv_val != (*pa_nvals)[i].bv_val ) {
1114                                         ch_free( (*pa_nvals)[i].bv_val );
1115                                         (*pa_nvals)[i] = ndn;
1116                                 }
1117                         }
1118                         break;
1119
1120                 default:
1121                         /* leave attr untouched if massage failed */
1122                         if ( a_vals && pa_nvals && BER_BVISNULL( &(*pa_nvals)[i] ) ) {
1123                                 dnNormalize( 0, NULL, NULL, &a_vals[i], &(*pa_nvals)[i], NULL );
1124                         }
1125                         break;
1126                 }
1127         }
1128
1129         return 0;
1130 }
1131
1132 int
1133 rwm_referral_result_rewrite(
1134         dncookie                *dc,
1135         BerVarray               a_vals )
1136 {
1137         int             i, last;
1138
1139         for ( last = 0; !BER_BVISNULL( &a_vals[last] ); last++ );
1140         last--;
1141
1142         for ( i = 0; !BER_BVISNULL( &a_vals[i] ); i++ ) {
1143                 struct berval   dn,
1144                                 olddn = BER_BVNULL;
1145                 int             rc;
1146                 LDAPURLDesc     *ludp;
1147
1148                 rc = ldap_url_parse( a_vals[i].bv_val, &ludp );
1149                 if ( rc != LDAP_URL_SUCCESS ) {
1150                         /* leave attr untouched if massage failed */
1151                         continue;
1152                 }
1153
1154                 /* FIXME: URLs like "ldap:///dc=suffix" if passed
1155                  * thru ldap_url_parse() and ldap_url_desc2str()
1156                  * get rewritten as "ldap:///dc=suffix??base";
1157                  * we don't want this to occur... */
1158                 if ( ludp->lud_scope == LDAP_SCOPE_BASE ) {
1159                         ludp->lud_scope = LDAP_SCOPE_DEFAULT;
1160                 }
1161
1162                 ber_str2bv( ludp->lud_dn, 0, 0, &olddn );
1163
1164                 dn = olddn;
1165                 rc = rwm_dn_massage_pretty( dc, &olddn, &dn );
1166                 switch ( rc ) {
1167                 case LDAP_UNWILLING_TO_PERFORM:
1168                         /*
1169                          * FIXME: need to check if it may be considered
1170                          * legal to trim values when adding/modifying;
1171                          * it should be when searching (e.g. ACLs).
1172                          */
1173                         ch_free( a_vals[i].bv_val );
1174                         if ( last > i ) {
1175                                 a_vals[i] = a_vals[last];
1176                         }
1177                         BER_BVZERO( &a_vals[last] );
1178                         last--;
1179                         i--;
1180                         break;
1181
1182                 default:
1183                         /* leave attr untouched if massage failed */
1184                         if ( !BER_BVISNULL( &dn ) && olddn.bv_val != dn.bv_val ) {
1185                                 char    *newurl;
1186
1187                                 ludp->lud_dn = dn.bv_val;
1188                                 newurl = ldap_url_desc2str( ludp );
1189                                 if ( newurl == NULL ) {
1190                                         /* FIXME: leave attr untouched
1191                                          * even if ldap_url_desc2str failed...
1192                                          */
1193                                         break;
1194                                 }
1195
1196                                 ch_free( a_vals[i].bv_val );
1197                                 ber_str2bv( newurl, 0, 1, &a_vals[i] );
1198                                 ber_memfree( newurl );
1199                                 ludp->lud_dn = olddn.bv_val;
1200                         }
1201                         break;
1202                 }
1203
1204                 ldap_free_urldesc( ludp );
1205         }
1206
1207         return 0;
1208 }
1209
1210 int
1211 rwm_dnattr_result_rewrite(
1212         dncookie                *dc,
1213         BerVarray               a_vals,
1214         BerVarray               a_nvals )
1215 {
1216         int             i, last;
1217
1218         for ( last = 0; !BER_BVISNULL( &a_vals[last] ); last++ );
1219         last--;
1220
1221         for ( i = 0; !BER_BVISNULL( &a_vals[i] ); i++ ) {
1222                 struct berval   pdn, ndn = BER_BVNULL;
1223                 int             rc;
1224
1225                 pdn = a_vals[i];
1226                 rc = rwm_dn_massage_pretty_normalize( dc, &a_vals[i], &pdn, &ndn );
1227                 switch ( rc ) {
1228                 case LDAP_UNWILLING_TO_PERFORM:
1229                         /*
1230                          * FIXME: need to check if it may be considered
1231                          * legal to trim values when adding/modifying;
1232                          * it should be when searching (e.g. ACLs).
1233                          */
1234                         assert( a_vals[i].bv_val != a_nvals[i].bv_val );
1235                         ch_free( a_vals[i].bv_val );
1236                         ch_free( a_nvals[i].bv_val );
1237                         if ( last > i ) {
1238                                 a_vals[i] = a_vals[last];
1239                                 a_nvals[i] = a_nvals[last];
1240                         }
1241                         BER_BVZERO( &a_vals[last] );
1242                         BER_BVZERO( &a_nvals[last] );
1243                         last--;
1244                         break;
1245
1246                 default:
1247                         /* leave attr untouched if massage failed */
1248                         if ( !BER_BVISNULL( &pdn ) && a_vals[i].bv_val != pdn.bv_val ) {
1249                                 ch_free( a_vals[i].bv_val );
1250                                 a_vals[i] = pdn;
1251                         }
1252                         if ( !BER_BVISNULL( &ndn ) && a_nvals[i].bv_val != ndn.bv_val ) {
1253                                 ch_free( a_nvals[i].bv_val );
1254                                 a_nvals[i] = ndn;
1255                         }
1256                         break;
1257                 }
1258         }
1259
1260         return 0;
1261 }
1262
1263 void
1264 rwm_mapping_dst_free( void *v_mapping )
1265 {
1266         struct ldapmapping *mapping = v_mapping;
1267
1268         if ( BER_BVISEMPTY( &mapping[0].m_dst ) ) {
1269                 rwm_mapping_free( &mapping[ -1 ] );
1270         }
1271 }
1272
1273 void
1274 rwm_mapping_free( void *v_mapping )
1275 {
1276         struct ldapmapping *mapping = v_mapping;
1277
1278         if ( !BER_BVISNULL( &mapping[0].m_src ) ) {
1279                 ch_free( mapping[0].m_src.bv_val );
1280         }
1281
1282         if ( mapping[0].m_flags & RWMMAP_F_FREE_SRC ) {
1283                 if ( mapping[0].m_flags & RWMMAP_F_IS_OC ) {
1284                         if ( mapping[0].m_src_oc ) {
1285                                 ch_free( mapping[0].m_src_oc );
1286                         }
1287
1288                 } else {
1289                         if ( mapping[0].m_src_ad ) {
1290                                 ch_free( mapping[0].m_src_ad );
1291                         }
1292                 }
1293         }
1294
1295         if ( !BER_BVISNULL( &mapping[0].m_dst ) ) {
1296                 ch_free( mapping[0].m_dst.bv_val );
1297         }
1298
1299         if ( mapping[0].m_flags & RWMMAP_F_FREE_DST ) {
1300                 if ( mapping[0].m_flags & RWMMAP_F_IS_OC ) {
1301                         if ( mapping[0].m_dst_oc ) {
1302                                 ch_free( mapping[0].m_dst_oc );
1303                         }
1304
1305                 } else {
1306                         if ( mapping[0].m_dst_ad ) {
1307                                 ch_free( mapping[0].m_dst_ad );
1308                         }
1309                 }
1310         }
1311
1312         ch_free( mapping );
1313
1314 }
1315
1316 #endif /* SLAPD_OVER_RWM */